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entirely O |
closed O |
or O |
have O |
subsequently O |
re-opened O |
upon O |
heat B-MANP |
treatment E-MANP |
. O |
A O |
variety O |
of O |
porosity S-PRO |
distributions S-CONPRI |
and O |
types O |
of O |
pores S-PRO |
may O |
be S-MATE |
present O |
in O |
parts O |
produced O |
by O |
LBPF O |
and O |
the O |
effectiveness S-CONPRI |
of O |
pore S-PRO |
closure O |
may O |
differ O |
depending O |
on O |
these O |
pore S-PRO |
characteristics O |
. O |
In O |
this O |
work O |
, O |
X-ray B-CHAR |
tomography E-CHAR |
was O |
employed O |
to O |
provide O |
insights O |
into O |
pore S-PRO |
closure O |
efficiency O |
by O |
HIP S-MANP |
for O |
an O |
intentional O |
and O |
artificially-induced O |
cavity O |
as S-MATE |
well O |
as S-MATE |
for O |
a O |
range S-PARA |
of O |
typical O |
process-induced O |
pores S-PRO |
( O |
lack O |
of O |
fusion S-CONPRI |
, O |
keyhole O |
, O |
contour S-FEAT |
pores O |
, O |
etc O |
. O |
) O |
in O |
coupon O |
samples S-CONPRI |
of O |
Ti6Al4V S-MATE |
. O |